X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fzoom-c.c;h=e763918ec08f2a07c2a41d3f442114190f9a5144;hp=51cd83e5427e1c0984dbf6deab9c0fdfbdb2b1ba;hb=09db2ad24d6ba8693290d4a5dbc0a741fff74c91;hpb=43a9d38d20c1b1bcd1a03b2445a501d27526bd35

diff --git a/src/zoom-c.c b/src/zoom-c.c
index 51cd83e..e763918 100644
--- a/src/zoom-c.c
+++ b/src/zoom-c.c
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2011 Index Data
+ * Copyright (C) 1995-2012 Index Data
  * See the file LICENSE for details.
  */
 /**
@@ -40,6 +40,7 @@ static zoom_ret do_write_ex(ZOOM_connection c, char *buf_out, int len_out);
 static void initlog(void)
 {
     static int log_level_initialized = 0;
+
     if (!log_level_initialized)
     {
         log_api0 = yaz_log_module_level("zoom");
@@ -69,8 +70,9 @@ void ZOOM_set_dset_error(ZOOM_connection c, int error,
     }
     if (addinfo && addinfo2)
     {
-        c->addinfo = (char*) xmalloc(strlen(addinfo) + strlen(addinfo2) + 2);
+        c->addinfo = (char*) xmalloc(strlen(addinfo) + strlen(addinfo2) + 3);
         strcpy(c->addinfo, addinfo);
+        strcat(c->addinfo, ": ");
         strcat(c->addinfo, addinfo2);
     }
     else if (addinfo)
@@ -234,6 +236,12 @@ void ZOOM_connection_remove_tasks(ZOOM_connection c)
         ZOOM_connection_remove_task(c);
 }
 
+static void odr_wrbuf_write(ODR o, void *handle, int type,
+                            const char *buf, int len)
+{
+    WRBUF w = (WRBUF) handle;
+    wrbuf_write(w, buf, len);
+}
 
 ZOOM_API(ZOOM_connection)
     ZOOM_connection_create(ZOOM_options options)
@@ -264,8 +272,8 @@ ZOOM_API(ZOOM_connection)
     c->options = ZOOM_options_create_with_parent(options);
 
     c->host_port = 0;
-    c->path = 0;
     c->proxy = 0;
+    c->tproxy = 0;
     
     c->charset = c->lang = 0;
 
@@ -284,6 +292,7 @@ ZOOM_API(ZOOM_connection)
     c->odr_in = odr_createmem(ODR_DECODE);
     c->odr_out = odr_createmem(ODR_ENCODE);
     c->odr_print = 0;
+    c->odr_save = 0;
 
     c->async = 0;
     c->support_named_resultsets = 0;
@@ -297,6 +306,19 @@ ZOOM_API(ZOOM_connection)
     return c;
 }
 
+ZOOM_API(void) ZOOM_connection_save_apdu_wrbuf(ZOOM_connection c, WRBUF w)
+{
+    if (c->odr_save)
+    {
+        odr_destroy(c->odr_save);
+        c->odr_save = 0;
+    }
+    if (w)
+    {
+        c->odr_save = odr_createmem(ODR_PRINT);
+        odr_set_stream(c->odr_save, w, odr_wrbuf_write, 0);
+    }
+}
 
 /* set database names. Take local databases (if set); otherwise
    take databases given in ZURL (if set); otherwise use Default */
@@ -315,7 +337,7 @@ char **ZOOM_connection_get_databases(ZOOM_connection con, ZOOM_options options,
         if (cp)
             cp++;
     }
-    if (!cp)
+    if (!cp || !*cp)
         cp = "Default";
     nmem_strsplit(odr_getmem(odr), "+", cp,  &databaseNames, num);
     return databaseNames;
@@ -350,7 +372,6 @@ ZOOM_API(void)
                             const char *host, int portnum)
 {
     const char *val;
-    ZOOM_task task;
 
     initlog();
 
@@ -389,6 +410,16 @@ ZOOM_API(void)
         c->proxy = xstrdup(val);
     }
 
+    xfree(c->tproxy);
+    c->tproxy = 0;
+    val = ZOOM_options_get(c->options, "tproxy");
+    if (val && *val)
+    {
+        yaz_log(c->log_details, "%p ZOOM_connection_connect tproxy=%s", c, val);
+        c->tproxy = xstrdup(val);
+    }
+
+
     xfree(c->charset);
     c->charset = 0;
     val = ZOOM_options_get(c->options, "charset");
@@ -507,9 +538,16 @@ ZOOM_API(void)
         ZOOM_options_get_int(c->options, "preferredMessageSize", 1024*1024);
 
     c->async = ZOOM_options_get_bool(c->options, "async", 0);
+
+    if (c->sru_mode == zoom_sru_error)
+    {
+        ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
+        ZOOM_connection_remove_tasks(c);
+        return;
+    }
+
     yaz_log(c->log_details, "%p ZOOM_connection_connect async=%d", c, c->async);
- 
-    task = ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
+    ZOOM_connection_add_task(c, ZOOM_TASK_CONNECT);
 
     if (!c->async)
     {
@@ -556,7 +594,7 @@ ZOOM_API(void)
         cs_close(c->cs);
 
 #if ZOOM_RESULT_LISTS
-    // Remove the connection's usage of resultsets
+    /* Remove the connection's usage of resultsets */
     list = c->resultsets;
     while (list) {
         ZOOM_resultsets removed = list;
@@ -574,6 +612,8 @@ ZOOM_API(void)
     xfree(c->diagset);
     odr_destroy(c->odr_in);
     odr_destroy(c->odr_out);
+    if (c->odr_save)
+        odr_destroy(c->odr_save);
     if (c->odr_print)
     {
         odr_setprint(c->odr_print, 0); /* prevent destroy from fclose'ing */
@@ -583,8 +623,8 @@ ZOOM_API(void)
     ZOOM_connection_remove_tasks(c);
     ZOOM_connection_remove_events(c);
     xfree(c->host_port);
-    xfree(c->path);
     xfree(c->proxy);
+    xfree(c->tproxy);
     xfree(c->charset);
     xfree(c->lang);
     xfree(c->cookie_out);
@@ -609,6 +649,27 @@ void ZOOM_resultset_addref(ZOOM_resultset r)
     }
 }
 
+static int g_resultsets = 0;
+static YAZ_MUTEX g_resultset_mutex = 0;
+
+/* TODO We need to initialize this before running threaded:
+ * call resultset_use(0)  */
+
+static int resultset_use(int delta) {
+    int resultset_count;
+    if (g_resultset_mutex == 0)
+        yaz_mutex_create(&g_resultset_mutex);
+    yaz_mutex_enter(g_resultset_mutex);
+    g_resultsets += delta;
+    resultset_count = g_resultsets;
+    yaz_mutex_leave(g_resultset_mutex);
+    return resultset_count;
+}
+
+int resultsets_count(void) {
+    return resultset_use(0);
+}
+
 ZOOM_resultset ZOOM_resultset_create(void)
 {
     int i;
@@ -642,6 +703,7 @@ ZOOM_resultset ZOOM_resultset_create(void)
         YAZ_SHPTR_INIT(r->record_wrbuf, w);
     }
 #endif
+    resultset_use(1);
     return r;
 }
 
@@ -831,6 +893,7 @@ static void resultset_destroy(ZOOM_resultset r)
 #if SHPTR
         YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
 #endif
+        resultset_use(-1);
         xfree(r);
     }
     else
@@ -1003,45 +1066,26 @@ static void get_cert(ZOOM_connection c)
 }
 
 static zoom_ret do_connect_host(ZOOM_connection c,
-                                const char *effective_host,
                                 const char *logical_url);
 
 static zoom_ret do_connect(ZOOM_connection c)
 {
-    const char *effective_host;
-
-    if (c->proxy)
-        effective_host = c->proxy;
-    else
-        effective_host = c->host_port;
-    return do_connect_host(c, effective_host, c->host_port);
+    return do_connect_host(c, c->host_port);
 }
 
-static zoom_ret do_connect_host(ZOOM_connection c, const char *effective_host,
-    const char *logical_url)
+static zoom_ret do_connect_host(ZOOM_connection c, const char *logical_url)
 {
     void *add;
 
-    yaz_log(c->log_details, "%p do_connect effective_host=%s", c, effective_host);
-
     if (c->cs)
         cs_close(c->cs);
-    c->cs = cs_create_host(effective_host, 0, &add);
-
+    c->cs = cs_create_host_proxy(logical_url, 0, &add,
+                                 c->tproxy ? c->tproxy : c->proxy);
+    
     if (c->cs && c->cs->protocol == PROTO_HTTP)
     {
 #if YAZ_HAVE_XML2
-        if (logical_url)
-        {
-            const char *db = 0;
-            
-            c->proto = PROTO_HTTP;
-            cs_get_host_args(logical_url, &db);
-            xfree(c->path);
-            
-            c->path = xmalloc(strlen(db) * 3 + 2);
-            yaz_encode_sru_dbpath_buf(c->path, db);
-        }
+        c->proto = PROTO_HTTP;
 #else
         ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, "SRW");
         ZOOM_connection_close(c);
@@ -1459,39 +1503,14 @@ ZOOM_API(int)
 }
 
 #if YAZ_HAVE_XML2
-static Z_GDU *get_HTTP_Request_url(ODR odr, const char *url)
-{
-    Z_GDU *p = z_get_HTTP_Request(odr);
-    const char *host = url;
-    const char *cp0 = strstr(host, "://");
-    const char *cp1 = 0;
-    if (cp0)
-        cp0 = cp0+3;
-    else
-        cp0 = host;
-    
-    cp1 = strchr(cp0, '/');
-    if (!cp1)
-        cp1 = cp0 + strlen(cp0);
-    
-    if (cp0 && cp1)
-    {
-        char *h = (char*) odr_malloc(odr, cp1 - cp0 + 1);
-        memcpy (h, cp0, cp1 - cp0);
-        h[cp1-cp0] = '\0';
-        z_HTTP_header_add(odr, &p->u.HTTP_Request->headers, "Host", h);
-    }
-    p->u.HTTP_Request->path = odr_strdup(odr, *cp1 ? cp1 : "/");
-    return p;
-}
 
 static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
                                   Z_HTTP_Response *cookie_hres)
 {
     struct Z_HTTP_Header *h;
-    Z_GDU *gdu = get_HTTP_Request_url(c->odr_out, uri);
-    char *combined_cookies;
+    char *combined_cookies = 0;
     int combined_cookies_len = 0;
+    Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
 
     gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
     z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
@@ -1531,6 +1550,8 @@ static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
         return zoom_complete;
     if (c->odr_print)
         z_GDU(c->odr_print, &gdu, 0, 0);
+    if (c->odr_save)
+        z_GDU(c->odr_save, &gdu, 0, 0);
     c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
 
     odr_reset(c->odr_out);
@@ -1550,14 +1571,14 @@ static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
 {
     zoom_ret cret = zoom_complete;
     int ret = -1;
-    const char *addinfo = 0;
+    char *addinfo = 0;
     const char *connection_head = z_HTTP_header_lookup(hres->headers,
                                                        "Connection");
     const char *location;
 
     ZOOM_connection_set_mask(c, 0);
     yaz_log(c->log_details, "%p handle_http", c);
-    
+
     if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
         && (location = z_HTTP_header_lookup(hres->headers, "Location")))
     {
@@ -1572,16 +1593,15 @@ static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
         {
             /* since redirect may change host we just reconnect. A smarter
                implementation might check whether it's the same server */
-            do_connect_host(c, location, 0);
+            do_connect_host(c, location);
             send_HTTP_redirect(c, location, hres);
             /* we're OK for now. Operation is not really complete */
-            ret = 0;
-            cret = zoom_pending;
+            return;
         }
     }
     else 
     {  
-        ret = ZOOM_handle_sru(c, hres, &cret);
+        ret = ZOOM_handle_sru(c, hres, &cret, &addinfo);
         if (ret == 0)
         {
             if (c->no_redirects) /* end of redirect. change hosts again */
@@ -1594,7 +1614,11 @@ static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
         if (hres->code != 200)
             ZOOM_set_HTTP_error(c, hres->code, 0, 0);
         else
+        {
+            yaz_log(YLOG_LOG, "set error... addinfo=%s", addinfo ?
+                    addinfo : "NULL");
             ZOOM_set_error(c, ZOOM_ERROR_DECODE, addinfo);
+        }
         ZOOM_connection_close(c);
     }
     if (cret == zoom_complete)
@@ -1626,6 +1650,8 @@ static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
                 c->reconnect_ok = 0;
             }
         }
+        else
+            c->reconnect_ok = 1; /* if the server closes anyway */
     }
 }
 #endif
@@ -1684,6 +1710,8 @@ static int do_read(ZOOM_connection c)
         {
             if (c->odr_print)
                 z_GDU(c->odr_print, &gdu, 0, 0);
+            if (c->odr_save)
+                z_GDU(c->odr_save, &gdu, 0, 0);
             if (gdu->which == Z_GDU_Z3950)
                 ZOOM_handle_Z3950_apdu(c, gdu->u.z3950);
             else if (gdu->which == Z_GDU_HTTP_Response)
@@ -1696,7 +1724,6 @@ static int do_read(ZOOM_connection c)
 #endif
             }
         }
-        c->reconnect_ok = 0;
     }
     return 1;
 }
@@ -1857,6 +1884,12 @@ ZOOM_API(const char *)
         return "CCL configuration error";
     case ZOOM_ERROR_CCL_PARSE:
         return "CCL parsing error";
+    case ZOOM_ERROR_ES_INVALID_ACTION:
+        return "Extended Service. invalid action";
+    case ZOOM_ERROR_ES_INVALID_VERSION:
+        return "Extended Service. invalid version";
+    case ZOOM_ERROR_ES_INVALID_SYNTAX:
+        return "Extended Service. invalid syntax";
     default:
         return diagbib1_str(error);
     }